There are 5 nexo powers in each mystery bagbut which combination can you create to beat monstrox in the free lego nexo knights merlok 20 app attach 3 nexo powers at any one time to the combo nexo shield and scan to create your own unique way of defeating the stone monster army with 35 new for june 2017 nexo powers to collect you can create more than 42 000 combo nexo powers to battle with in the game the future of knighton is in your hands features features 5 mystery nexo powers